126560

Appears in sequences

• If S*2^k - 3 and S*2^k + 3 are primes for k=0 to 2, then a(n) = S/10.at n=9A093290
• Numbers k such that the k-th triangular number contains only digits {0,7,8}.at n=7A119094
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 0, 1), (0, 1, 1), (1, 1, -1)}.at n=10A150043
• a(n) = (9*n^4+10*n^3-3*n^2-4*n)/12.at n=20A172045
• Convolution of Pell(n) and 10^n.at n=5A178626
• Seventh derivative of f_n at x=1, where f_n is the n-th of all functions that are representable as x^x^...^x with m>=1 x's and parentheses inserted in all possible ways.at n=27A215837