24938

Appears in sequences

• Numbers k such that 10^k + 13 is prime.at n=19A095688
• The number of degree sequences with degree sum 2n representable by a non-separable graph (with multiple edges allowed).at n=24A147877
• Triangle read by rows, A055248 * (A005493 * 0^(n-k)).at n=42A159573
• Indices of primes in A214831.at n=28A244930
• Numbers k such that (493*10^k - 7)/9 is prime.at n=23A275410
• Expansion of Product_{k>=1} (1 - x^(6*k)) * (1 + x^k) / (1 - x^k).at n=25A280874
• Let P1>=5, P2, P3 be consecutive primes, with P2-P1=2. a(n)=(P1+P2)/12 when P3-P2 sets a record.at n=13A329160
• Let P1 >= 5, P2, P3 be consecutive primes, with P2 - P1 = 2. a(n) = (P1 + P2)/12 for the first occurrence of (P3 - P2)/2 = n.at n=28A329252
• 6*a(n) + 1 is the least upper prime p of a pair of twin primes p - 2, p, for which the prime gap immediately following p achieves the size 2*A007494(n).at n=19A337436
• Lesser of 2 successive sphenic numbers (k, k+4) sandwiching 3 consecutive nonsquarefree numbers.at n=32A363830